A block attached to a string moves in a circle as shown above. Which of the arrows in the illustration above best shows the direction of the tangential velocity the object will have if it is released from the string?

Question 2 options:

1.) Arrow A
2.) Arrow B
3.) Arrow C
4.) Arrow D

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?

Ain is , is 's of ? 0.62 0.79 1.27 1.50

An object is placed in front of a concave mirror between the pole and the focus of the mirror, what is the nature of the image formed by the mirror